<script>
  //判断当前页面是否在iframe里打开的
  if (parent && parent != window) {
    parent.window.location.href = window.location.href;
  }
</script>

<!-- iCheck -->
<link rel="stylesheet" href="/static/plugins/icheck/skins/square/blue.css">

<style type="text/css">
    body {
        background-image: url("/static/heimdallr/img/bj.jpg");
        background-repeat: no-repeat;
        background-size:100% 100% ;
        background-attachment: fixed;
    }
    .login-box {
        display: flex;
        align-items: center;
        justify-content: center;
    }
</style>